New Reader Tips - UPDATE:
Create Macros for a Cisco Switch
Note: All tips published in the Cisco Technical Services Newsletter are reviewed by Cisco technical support engineers; however, the Cisco Technical Services Newsletter and Cisco cannot guarantee the accuracy or completeness of these tips.
You can create macros to run a series of commands on a Cisco switch. This can be handy if you're logged in to a remote device and want to change the configuration, but doing so will mean you lose management access part-way through. You can define a macro and run it; even though you lose management access part way through, the macro will continue to run.
To configure the macro:
- Enter configuration mode
- Use the command macro name
- Enter the commands you want the macro to run
- Finish with @
The example below shows how to change the management VLAN from 1 to 100. Removing the IP address from the current management VLAN will disconnect your telnet session, but the macro will still execute the rest of the commands.
config t
macro name Change-vlan
interface Vlan1
no ip address
shutdown
interface vlan100
ip address 172.29.159.6 255.255.255.252
no shutdown @
To run the macro:
macro global apply Change-vlan
-Graham Mundell, Telecom New Zealand, Weymouth, Auckland, New Zealand
Editor's Note: The above tip is specific to Catalyst IOS that runs on very specific switches (like the 2950) and is not a standard in the majority of the remaining IOS versions available. Please refer to the configuration guide below for more information:
www.cisco.com/univercd/cc/td/doc/product/lan/cat2950/12122ea7/scg/swmacro.htm
To learn more about Reader Tip submission and guidelines, visit the
Reader Tip submission page at:
www.cisco.com/warp/public/437/readertips/index.html
CCIE Central - UPDATE:
Comprehensive CCIE Service Provider Written Exam Released
Cisco has recently completed a series of changes to the CCIE Service Provider (SP) track. At this time, candidates for CCIE SP must pass a comprehensive written exam (#350-029), followed by the hands-on lab exam. Specific exam topics can be found online in the CCIE SP written exam blueprint and CCIE SP lab exam blueprint.
In addition, four of the previously-available written exams are no longer being used to qualify a candidate for the lab exam. The remaining four, however, will continue to be available for recertification purposes.
The recertification exams include:
- CCIE SP Cable Exam (#350-021)
- CCIE SP Content Networking Exam (#350-026)
- CCIE SP Optical Exam (#350-020)
- CCIE SP WAN Switching Exam (#350-023)
Visit the CCIE Service Provider certification page for more information, including access to relevant blueprints:
www.cisco.com/web/learning/le3/ccie/sp/index.html
"Cisco Routing and Switching Update" - NEW:
New Online Publication Focuses on Routing and Switching
"Cisco Routing and Switching Update" is your premium resource for the latest routing and switching news from Cisco. This new online newsletter will bring you regular updates about important products and technology, valuable resources such as white papers, and a wide range of news and information. Become more knowledgeable with critical updates that directly affect your workday.
Sign up to begin receiving this useful resource today at:
tools.cisco.com/gdrp/coiga/showsurvey.do?surveyCode=1364&keyCode=TEST&gId=TEST
Cisco Marketplace - UPDATE:
Get the Product Documentation You Need Now
"What's New in Cisco Documentation" is an online publication that provides information about the latest documentation releases for Cisco products. Updated monthly, this online publication is organized by product category to direct you quickly to the documentation for your products.
In addition to many new and revised documents, highlights of the February release include documentation for the following:
- Regulatory Compliance and Safety Information for the Cisco MDS 9000 Family
You can view the latest release of "What's New in Cisco Documentation" at its new location:
www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
Visit the Product Documentation Store today at:
www.cisco.com/go/marketplace/WN0207
(available only to registered users)
Networking Professionals Connection - UPDATE:
Upcoming "Ask the Expert" Events and TechTalks
Networking Professionals Connection is an interactive Website where you can discuss Cisco networking products and technologies with Cisco experts and networking professionals around the world.
Upcoming events on Networking Professionals Connection include:
- "Ask the Expert" events, which allow you to discuss specific networking issues online with Cisco engineers:
www.cisco.com/go/AsktheExpert
- "CCIE Voice," now through February 23
- "Bidirectional Forwarding Detection (BFD)," now through February 23
- "Cisco Unified Application Environment," February 26 through March 9
- "Configuring and Troubleshooting Cisco AS5x00 Access Servers for ISDN/Modems/PPP Connectivity," February 26 through March 9
Note: "Ask the Expert" events are subject to rescheduling. Please
refer to the URL above for the most current schedule.
- TechTalks are online Webcasts that focus on particular technology subjects. You can view the latest event schedule, register to attend a live session, and view archived presentations on the Web any time:
www.cisco.com/go/techtalk
To attend an event or participate in a discussion forum, visit Networking Professionals Connection at:
www.cisco.com/discuss/networking
LAN Switching
Configuration Example:
GLBP on Catalyst 6500 Switches
www.cisco.com/en/US/products/hw/switches/ps708/products_configuration_example09186a00807d2520.shtml
Configuration Example:
Layer 2 Security Features on Catalyst 3750 Series Switches
www.cisco.com/en/US/products/hw/switches/ps5023/products_configuration_example09186a00807c4101.shtml
Tech Note:
Catalyst 3750 Series Switches Troubleshoot Common Issues
www.cisco.com/en/US/products/hw/switches/ps5023/products_tech_note09186a00807ccc79.shtml
Cisco TAC Case Collection Solution:
Speeds Supported by the 1000BASE-T(GLC-T) SFP Module on the Cisco Catalyst 3750 Series Switch
www.ciscotaccc.com/lanswitching/showcase?case=K50424135
Routers
Tech Note:
U.S. Daylight Saving Time (DST) Changes for 2007
www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a00807ca437.shtml
Cisco TAC Case Collection Solution:
How to Partition Internal Flash Memory
www.ciscotaccc.com/core/showcase?case=K86037012
Security and VPN
Configuration Example:
PIX/ASA 7.x: Translate Multiple Global IP Addresses to a Single Local IP Address Using Static Policy NAT
www.cisco.com/en/US/products/ps6120/products_configuration_example09186a00807d2874.shtml
Configuration Example:
PIX/ASA: Allow Remote Desktop Protocol Connection through the Security Appliance
www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_configuration_example09186a00807d287e.shtml
Configuration Example:
PIX 6.3 Upgrade to a New PIX 7.0 Appliance
www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_configuration_example09186a00807c3627.shtml
Configuration Example:
Dynamic LAN-to-LAN VPN between Cisco IOS Routers Using IOS CA on the Hub
www.cisco.com/en/US/products/sw/secursw/ps1018/products_configuration_example09186a00807be6bc.shtml
Configuration Example:
VeriSign SSL Certificate Installation to the Cisco ASA Using ASDM
www.cisco.com/en/US/products/ps6120/products_configuration_example09186a00807c2151.shtml
Tech Note:
Troubleshoot Connections through the PIX and ASA
www.cisco.com/en/US/products/ps6120/products_tech_note09186a00807c35e7.shtml
Tech Note:
ASDM and WebVPN Enabled on the Same Interface of ASA
www.cisco.com/en/US/products/ps6120/products_tech_note09186a00807be2a1.shtml
Tech Note:
Protecting Network Security when Granting Access to Third Parties
www.cisco.com/en/US/products/ps6120/products_tech_note09186a00807bd2a6.shtml
Cisco TAC Case Collection Solution:
How to Downgrade the PIX Security Appliance from Version 7.0 to 6.3 and Recover from a Faulty Upgrade
www.ciscotaccc.com/security/showcase?case=K18441822
Voice and Unified Communications
Configuration Example:
Forced Authorization Codes (FAC)
www.cisco.com/en/US/products/sw/voicesw/ps556/products_configuration_example09186a00807d11d4.shtml
Configuration Example:
H.320 Gateway to H.323 Gatekeeper Video Call Flow
www.cisco.com/en/US/tech/tk1077/technologies_configuration_example09186a00807ca099.shtml
Tech Note:
Trace Call Information in Cisco Unity
www.cisco.com/en/US/products/sw/voicesw/ps2237/products_tech_note09186a00807d11c6.shtml
Tech Note:
Siemens QSIG Interoperability: Calling Name and Call Forward Do Not Work
www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a00807d11d9.shtml
Tech Note:
BTS 10220 and Year 2007 Standard Time Change
www.cisco.com/en/US/products/hw/vcallcon/ps531/products_tech_note09186a00807ca66a.shtml
Tech Note:
MWI Failure and High CPU Usage on Cisco Unity
www.cisco.com/en/US/products/sw/voicesw/ps2237/products_tech_note09186a00807ca66e.shtml
Tech Note:
Integrate the Cisco IOS Gateway to the MX/Alliance Turret via T1-CAS
www.cisco.com/en/US/tech/tk652/tk653/technologies_tech_note09186a00807ca672.shtml
Tech Note:
Cisco Unity Unable to Deliver Voicemail Messages to the Subscriber Mailboxes
www.cisco.com/en/US/products/sw/voicesw/ps2237/products_tech_note09186a00807cc043.shtml
Tech Note:
CallManager Bulk Administration Tool (BAT) Common Problems and Solutions
www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a00807cc050.shtml
Tech Note:
CallManager Attendant Console: Troubleshoot Speed Dials
www.cisco.com/en/US/products/sw/voicesw/ps555/products_tech_note09186a00807cc05e.shtml
Tech Note:
SIP Phone: Call Failure on Consultation Transfer from Anonymous Callers
www.cisco.com/en/US/tech/tk652/tk701/technologies_tech_note09186a00807cc055.shtml
Tech Note:
Unity Domino Error - Play to phone: Unspecified Error
www.cisco.com/en/US/products/sw/voicesw/ps2237/products_tech_note09186a00807cc048.shtml
Tech Note:
Microsoft OS Patch Installation on a Cisco MCS Server Fails
www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a00807ca689.shtml
Tech Note:
IP Phone Load Conversion from SIP to MGCP
www.cisco.com/en/US/products/hw/phones/ps379/products_tech_note09186a00807ce0cd.shtml
Password Recovery:
Procedure for Cisco Unity Connection
www.cisco.com/en/US/products/ps6509/products_password_recovery09186a00807ca680.shtml
Cisco TAC Case Collection Solution:
DTMF-Relay of the Cisco CallManager SIP Trunk Fails to Work with the SIP VoIP Telco because the Terminating Side Does Not Receive the DTMF Digits
www.ciscotaccc.com/voice/showcase?case=K70001274
Wireless
Configuration Example:
Multicast with Wireless LAN Controllers (WLCs) and Lightweight Access Points (LAPs)
www.cisco.com/en/US/tech/tk722/tk809/technologies_configuration_example09186a00807cc10d.shtml
Configuration Example:
H-REAP Modes of Operation
www.cisco.com/en/US/tech/tk722/tk809/technologies_configuration_example09186a00807cc3b8.shtml
Tech Note:
ACLs on Wireless LAN Controllers: Rules, Limitations, and Examples
www.cisco.com/en/US/tech/tk722/tk809/technologies_tech_note09186a00807ce372.shtml
Cisco TAC Case Collection Solution:
How to Configure the Lightweight Access Point to Join the Respective Wireless LAN Controller (WLC)
www.ciscotaccc.com/wireless/showcase?case=K07469255
Broadband Cable
Field Notice:
SCE SCAS BB - Failure to Apply Policy - SCE Agent Connections Are Very Slow
www.cisco.com/en/US/products/ps6150/products_field_notice09186a00807ca1bd.shtml
Field Notice:
SCAS BB - PRPC Authentication between SCA BB Console and SM/CM/SCE Does Not Work in Environments That Have an Entity/Device That Might Change IP Addresses Which Is Located between the Console and SM/CM/SCE
www.cisco.com/en/US/products/ps6150/products_field_notice09186a00807ca30b.shtml
Cisco IOS
Field Notice:
U.S. Daylight Savings Time Policy Changes Effective March 2007 - for Cisco IOS Software
www.cisco.com/en/US/products/sw/iosswrel/ps1818/products_field_notice09186a00807cb11b.shtml
Security Advisory:
IPv6 Routing Header Vulnerability
www.cisco.com/en/US/products/products_security_advisory09186a00807cb0fd.shtml
Cisco TAC Case Collection Solution:
Router Cannot Accept a Telnet Session
www.ciscotaccc.com/core/showcase?case=K15326847
IBM Technologies
Security Advisory:
DLSw Vulnerability
www.cisco.com/en/US/products/products_security_advisory09186a00807bd128.shtml
Optical
Field Notice:
ONS 15600 - DBOSYNC with Redundant TSCs - Reset with Possible Outage
www.cisco.com/en/US/products/hw/optical/ps4533/products_field_notice09186a00807c5162.shtml
Routers
Field Notice:
Specific MWR 1900 Mobile Wireless Series Routers Unable to Read Compact Flash - ROMmon Upgrade Available
www.cisco.com/en/US/products/hw/routers/ps4062/products_field_notice09186a00807d2831.shtml
Field Notice:
IOS-XR CRS, XR12K - Certificate of Software Authenticate Expiry Is January 18, 2007 - IOS-XR Refresh (Download) Is Required for All New Image Installations
www.cisco.com/en/US/products/ps5763/products_field_notice09186a00807c00ab.shtml
Security and VPN
Security Advisory:
Crafted TCP Packet Can Cause Denial of Service
www.cisco.com/en/US/products/products_security_advisory09186a00807cb0e4.shtml
Security Advisory:
SSL/TLS Certificate and SSH Public Key Validation Vulnerability
www.cisco.com/en/US/products/products_security_advisory09186a00807c517f.shtml
Security Advisory:
Crafted IP Option Vulnerability
www.cisco.com/en/US/products/products_security_advisory09186a00807cb157.shtml
Security Advisory:
Combined IOS Table for January 24, 2007 Security Advisories
www.cisco.com/en/US/products/products_security_advisory09186a00807cb14c.shtml
Security Advisory:
Multiple Vulnerabilities in Cisco Secure Access Control Server
www.cisco.com/en/US/products/products_security_advisory09186a00807b8e55.shtml
Security Advisory:
Multiple Vulnerabilities in Cisco Clean Access
www.cisco.com/en/US/products/products_security_advisory09186a00807b6621.shtml
Security Advisory:
Cisco Unified Contact Center and IP Contact Center JTapi Gateway Vulnerability
www.cisco.com/en/US/products/products_security_advisory09186a00807bd12a.shtml
Video
Field Notice:
U.S. Daylight Savings Time Policy Changes Effective March 2007 for ICEVSSW
www.cisco.com/en/US/products/ps6936/products_field_notice09186a00807cc384.shtml
Voice and Unified Communications
Field Notice:
U.S. Daylight Savings Time Policy Change Effective March 2007 - for MeetingPlace Express (MPE)
www.cisco.com/en/US/products/ps6533/products_field_notice09186a00807d2c99.shtml
Field Notice:
Intelligent Call Manage/IP Contact Center Version 7.1x - Use of Mobile Agent Nailed Up Connection with Specific IOS Versions Will Cause Memory Leak and Possible Gateway Assert and Loss of Calls
www.cisco.com/en/US/products/sw/custcosw/ps1973/products_field_notice09186a00807b8907.shtml
Field Notice:
Cisco Enterprise and Hosted Contact Center Products Notice for Microsoft January 2007 Security Updates
www.cisco.com/en/US/products/sw/custcosw/ps1973/products_field_notice09186a00807bf597.shtml
Field Notice:
CallManager CM 5.1.1.1000-7 Differentiated Services Code Point (DSCP) and Quality of Service (QoS) Values Are Incorrect
www.cisco.com/en/US/products/sw/voicesw/ps556/products_field_notice09186a00807b8995.shtml
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www.cisco.com/public/news_training/tech_tips.html
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www.cisco.com/kobayashi/news_training/tech_tips.html
(available only to registered users)
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